Question

Spot the substance from the following examples, that is
not a constituent base of phospholipids ( 1 marks)
Ans.
phosphopantetheine
choline
serine
ethanolamine​

Answer 1

Answer:

The biological membranes are made up of lipids and proteins. The various lipids present in the membrane are phospholipids, cerebrosides, gangliosides, cholesterol, glycolipids etc. Proline is an amino acid which is generally known as chain breaker because of its structure. Proline is generally absent in membrane proteins. Proline usually occurs in regions where protein chain makes sharp turns.

So, the correct answer is 'Proline'

Explanation:

I don't know I am right ya wrong

Answer 2

ethanolamine

Explanation: